Buggy code:
public void updateDataType ( String featureName , long modelId , String featureType ) throws DatabaseHandlerException { } public void createProject ( String projectName , String description , int tenantId , String username ) throws DatabaseHandlerException { } public long getProjectId ( int tenantId , String userName , String projectName ) throws DatabaseHandlerException { } public void deleteProject ( int tenantId , String userName , String projectName ) throws DatabaseHandlerException { } public String [ ] getProject ( String projectId ) throws DatabaseHandlerException { } public void deleteProject ( String projectId ) throws DatabaseHandlerException { } public void insertAnalysis ( long projectId , String name , int tenantId , String username , String comments ) throws DatabaseHandlerException { } public long getAnalysisId ( int tenantId , String userName , String analysisName ) throws DatabaseHandlerException { } public long getModelId ( int tenantId , String userName , String modelName ) throws DatabaseHandlerException { } public void deleteAnalysis ( int tenantId , String userName , String analysisName ) throws DatabaseHandlerException { } public void insertModel ( String name , long analysisId , long datasetVersionId , int tenantId , String username ) throws DatabaseHandlerException { } public void insertModelConfiguration ( long modelId , String key , String value ) throws DatabaseHandlerException { } public void insertFeatureCustomized ( long modelId , int tenantId , String featureName , String type , String imputeOption , boolean inclusion , String lastModifiedUser ) throws DatabaseHandlerException { } public String [ ] [ ] getTenantProjects ( int tenantID ) throws DatabaseHandlerException { } public void createNewWorkflow ( String workflowID , String parentWorkflowID , String projectID , String datasetID , String workflowName ) throws DatabaseHandlerException { } public void createWorkflow ( String workflowID , String projectID , String datasetID , String workflowName ) throws DatabaseHandlerException { } public void deleteWorkflow ( String workflowID ) throws DatabaseHandlerException { } public String [ ] [ ] getProjectWorkflows ( String projectId ) throws DatabaseHandlerException { } public void updateWorkdflowName ( String workflowId , String name ) throws DatabaseHandlerException { } public String getdatasetID ( String projectId ) throws DatabaseHandlerException { } public String getDatasetId ( String projectId ) throws DatabaseHandlerException { } public String getModelId ( String workflowId ) throws DatabaseHandlerException { } public ModelSummary getModelSummary ( String modelID ) throws DatabaseHandlerException { } public void insertModel ( String modelID , String workflowID , Time executionStartTime ) throws DatabaseHandlerException { } public void updateModel ( String modelID , MLModel model , ModelSummary modelSummary , Time executionEndTime ) throws DatabaseHandlerException { } public MLModel getModel ( String modelID ) throws DatabaseHandlerException { } public void insertModelSettings ( String modelSettingsID , String workflowID , String algorithmName , String algorithmClass , String response , double trainDataFraction , List < HyperParameter > hyperparameters ) throws DatabaseHandlerException { } public long getModelExecutionEndTime ( String modelId ) throws DatabaseHandlerException { } public long getModelExecutionStartTime ( String modelId ) throws DatabaseHandlerException { } public void insertFeatureCustomized ( long analysisId , List < MLCustomizedFeature > customizedFeatures , int tenantId , String userName ) throws DatabaseHandlerException { } public void insertModelConfigurations ( long analysisId , List < MLModelConfiguration > modelConfigs ) throws DatabaseHandlerException { } public void insertHyperParameters ( long analysisId , List < MLHyperParameter > hyperParameters ) throws DatabaseHandlerException { } public String getModelConfigurationValue ( long modelId , String name ) throws DatabaseHandlerException { } public void updateModelSummary ( long modelId , ModelSummary modelSummary ) throws DatabaseHandlerException { } public void updateModelStorage ( long modelId , String storageType , String location ) throws DatabaseHandlerException { } public boolean isValidModelId ( int tenantId , String userName , long modelId ) throws DatabaseHandlerException { } public void insertFeatureCustomized ( long analysisId , MLCustomizedFeature customizedFeature ) throws DatabaseHandlerException { } public long getDatasetVersionIdOfModel ( long modelId ) throws DatabaseHandlerException { } public long getDatasetId ( long datasetVersionId ) throws DatabaseHandlerException { } public String getDataTypeOfModel ( long modelId ) throws DatabaseHandlerException { } public String getAStringModelConfiguration ( long analysisId , String configKey ) throws DatabaseHandlerException { } public double getADoubleModelConfiguration ( long modelId , String configKey ) throws DatabaseHandlerException { } public List < MLHyperParameter > getHyperParametersOfModel ( long modelId ) throws DatabaseHandlerException { } public Map < String , String > getHyperParametersOfModelAsMap ( long modelId ) throws DatabaseHandlerException { } <START_BUG> public Workflow getWorkflow ( long modelId , long analysisId ) throws DatabaseHandlerException ; <END_BUG> public MLStorage getModelStorage ( long modelId ) throws DatabaseHandlerException { } public MLProject getProject ( int tenantId , String userName , String projectName ) throws DatabaseHandlerException { } public List < MLProject > getAllProjects ( int tenantId , String userName ) throws DatabaseHandlerException { } public MLAnalysis getAnalysis ( int tenantId , String userName , String analysisName ) throws DatabaseHandlerException { } public List < MLAnalysis > getAllAnalyses ( int tenantId , String userName ) throws DatabaseHandlerException { } public MLModelNew getModel ( int tenantId , String userName , String modelName ) throws DatabaseHandlerException { } public MLModelNew getModel ( int tenantId , String userName , long modelId ) throws DatabaseHandlerException { } public List < MLModelNew > getAllModels ( int tenantId , String userName ) throws DatabaseHandlerException { } public List < MLDatasetVersion > getAllVersionsetsOfDataset ( int tenantId , String userName , long datasetId ) throws DatabaseHandlerException { } public List < MLDataset > getAllDatasets ( int tenantId , String userName ) throws DatabaseHandlerException { } public MLDataset getDataset ( int tenantId , String userName , long datasetId ) throws DatabaseHandlerException { } public MLDatasetVersion getVersionset ( int tenantId , String userName , long valuesetId ) throws DatabaseHandlerException { } public long getDatasetVersionId ( long datasetId , String version , int tenantId , String userName ) throws DatabaseHandlerException { } public void insertDefaultsIntoFeatureCustomized ( long analysisId , MLCustomizedFeature customizedValues ) throws DatabaseHandlerException { } public long getDatasetSchemaIdFromAnalysisId ( long modelId ) throws DatabaseHandlerException { } void deleteModel ( int tenantId , String userName , long modelId ) throws DatabaseHandlerException { } }

Fix:
public Workflow getWorkflow ( long analysisId ) throws DatabaseHandlerException ;